fix typos
Pattern matching

Implement basic patterm matching functionallity.
Pattern matching

Implement all required functionallity without :or
Pattern matching.

Add :or clause support.
Merge pull request #16 from tochev/typo_fixes

fix typos
Pattern matching.

Improve solution.
Pattern matching.

Remove transform-patterns function.
Merge branch 'master' into my-solutions
Merge branch '04-pattern-matching' into my-solutions